M22 1/4″-1/2″ 2/2 NC 0-80bar

M22 Series Air Operated Valve

The M22 series two way normally closed air operated valves manufactured by Nadi Srl in Italy offer reliable operation in a compact valve format. They are available in brass or stainless steel bodies with port sizes 1/4″-1/2″ BSP or NPT. The M22 is suitable for gaseous and liquid media. The pilot operating pressure is 1/10 th of the working pressure, with a minimum of 1bar. e.g. 20bar working pressure, pilot pressure is 2 bar. A special 80 bar model is available with PE seals.

• Process pressure range 0-80bar (with PE seals)
  
• Pilot pressure: 1/10 of exercise pressure with a minimum pressure of 1 Bar, max. 10bar
• Brass (1/4", 3/8" & 1/2") or stainless steel (1/4" & 3/8") bodies. Niploy plated upon request
  
• 1/4″-1/2″ BSP or NPT ports
  
• Different elastomer choices: EPDM, HNBR, NBR, PE & VITON
  

The M22 is ideally suited for process automation control and safety interlock systems. The valve can be serviced on site with overhaul kits available.

M22 Series Part Numbers

NADI part numbers follow a logical system using numbers and letters to determine each individual element of the product. This is consistent throughout the range, and makes end user identification easier, especially when recording special model variants.

For example: model M22T50D8 comprises:

• M22 model code
  
• T brass body
  
• 50 internal orifice 5.0mm
  
• D 1/4″ NPT ports
  
• 8 PE seals

Data Sheet